Chlorophyte in Phnom Penh is not only an excellent indoor hanging leaf plant, but also a good indoor air purification flower. Chlorophytum in Phnom Penh has a strong function of absorbing toxic gases. Generally, L-2 potted chlorophytum is raised indoors, and the toxic gas in the air can be completely absorbed. Therefore, Phragmites communis in Phnom Penh is also called "green purifier".